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CBSE - XI Science - Chemistry - The s-Block Elements

why does the tendency to form hydrates decrease down the group??

Asked by Ibrahim Mohammed 22nd February 2015, 1:08 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

why does the tendency to form hydrates decrease down the group??

Asked by Ibrahim Mohammed 22nd February 2015, 1:06 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

what happens when sodium bicarbonate is heated?

Asked by SS27 14th February 2015, 1:57 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

On basis of atomic properties explain why melting points of alkaline earth metals is higher tha alkali metals?

Asked by SS27 14th February 2015, 1:55 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

How does metallic character of an element corelate with the acidity of its oxide?

Asked by SS27 14th February 2015, 1:52 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

Mobilities of alkali metals in aqueous solutions is Li< Na<K<Rb<Cs. why?

Asked by SS27 14th February 2015, 1:51 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

Amongst alkali metals why is Lithium regarded the most apt reducing agent in aqueous solutions?

Asked by SS27 14th February 2015, 1:48 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

Give reasons:
1. Alkali metals are powerful reducing agents.
2. Li floats on light household oil.
3. K and Cs are used in photoelectric cells and not Li.
4. BeO is amphoteric.

Asked by SS27 14th February 2015, 1:32 AM
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CBSE - XI Science - Chemistry - The s-Block Elements

this has been stated by an examination expert in the video lessons of topper in chemistry.

Asked by Sayoni Maiti 18th April 2014, 4:36 PM
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CBSE - XI Science - Chemistry - The s-Block Elements

What is the correct order of increasing thermal stabilities of-

1.Pottasium Carbonate

2.Magnesium Carbonate

3.Calcium Carbonate

4.Beryllium Carbnate

Asked by Tanya raj 30th March 2014, 9:52 PM
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